Analysis

  • max time kernel
    68s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20/09/2024, 05:27

General

  • Target

    ecec9952b2a9c7e8292f958c9d64e74d_JaffaCakes118.exe

  • Size

    245KB

  • MD5

    ecec9952b2a9c7e8292f958c9d64e74d

  • SHA1

    e9765bcdcbb25591af881cf807285112bab61689

  • SHA256

    4908c97e8cec8bcb15200b8be76a5ebe04c5fa82303d3757bc3fb6f08fd5a4d4

  • SHA512

    27a33b084c15d8ef33787e9dd6e3255a1369187f53e7e899dd412bf3481f0bb95baa24cd06d8e5e844d99eedf4983b3d8ab1b4e1ba79a761b49b2457d96076b3

  • SSDEEP

    6144:KZehg5MuhOA6dHMbRW9sW9UDf5puZdUCHVE2R3y+:hg5Muh+9sWqj5IiMVE2R3y

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\csrss.exe
    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
    1⤵
    • Executes dropped EXE
    • Suspicious use of UnmapMainImage
    PID:332
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies WinLogon for persistence
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\ecec9952b2a9c7e8292f958c9d64e74d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\ecec9952b2a9c7e8292f958c9d64e74d_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2260
      • C:\Users\Admin\AppData\Local\3a6abd20\X
        *0*cb*94d81d6b*69.64.52.10:53
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2824
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:2592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\system32\consrv.dll

    Filesize

    29KB

    MD5

    1149c1bd71248a9d170e4568fb08df30

    SHA1

    6f77f183d65709901f476c5d6eebaed060a495f9

    SHA256

    c2dcf387cb4d218f50463338291e7db38afbdab9aab88fc54e7f9283df1792d1

    SHA512

    9e6eac8facb23b38552d37c9f3cb24098f871d2885ecb3630fcd0199c5600b12a42f095f9fbeb90e5632496491d46fd987660cdda695e92dc386bd482d3ff459

  • \Users\Admin\AppData\Local\3a6abd20\X

    Filesize

    38KB

    MD5

    72de2dadaf875e2fd7614e100419033c

    SHA1

    5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

    SHA256

    c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

    SHA512

    e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

  • \systemroot\assembly\tmp\{1B372133-BFFA-4dba-9CCF-5474BED6A9F6}

    Filesize

    2KB

    MD5

    85be798a426fdd8a5a25c3cf73f5bedc

    SHA1

    96bb5066e0dfdbe9c528553218f4594f8e1b5e1f

    SHA256

    678ca4989f53d4ae93ba2009766606c7f25a02c16c51a144e91a09580128b2ed

    SHA512

    6771779d6c0f19ca818e9ab75ebf7c2004e62ec48435ed8034021f09b92c7798947260849a84de1c921157f3e3f0a5f95865eb2d362db031624bb45584de5923

  • memory/332-16-0x0000000000970000-0x0000000000971000-memory.dmp

    Filesize

    4KB

  • memory/332-21-0x0000000000A40000-0x0000000000A4B000-memory.dmp

    Filesize

    44KB

  • memory/332-20-0x0000000000A40000-0x0000000000A4B000-memory.dmp

    Filesize

    44KB

  • memory/1200-12-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

    Filesize

    24KB

  • memory/1200-36-0x0000000002AC0000-0x0000000002ACB000-memory.dmp

    Filesize

    44KB

  • memory/1200-4-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

    Filesize

    24KB

  • memory/1200-8-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

    Filesize

    24KB

  • memory/1200-3-0x0000000002980000-0x0000000002982000-memory.dmp

    Filesize

    8KB

  • memory/1200-28-0x0000000002AC0000-0x0000000002ACB000-memory.dmp

    Filesize

    44KB

  • memory/1200-39-0x0000000002AE0000-0x0000000002AEB000-memory.dmp

    Filesize

    44KB

  • memory/1200-38-0x0000000002740000-0x0000000002748000-memory.dmp

    Filesize

    32KB

  • memory/1200-44-0x0000000002AE0000-0x0000000002AEB000-memory.dmp

    Filesize

    44KB

  • memory/1200-43-0x0000000002740000-0x0000000002748000-memory.dmp

    Filesize

    32KB

  • memory/1200-32-0x0000000002AC0000-0x0000000002ACB000-memory.dmp

    Filesize

    44KB

  • memory/2260-41-0x0000000030670000-0x00000000306C6000-memory.dmp

    Filesize

    344KB

  • memory/2260-2-0x0000000030670000-0x00000000306C6000-memory.dmp

    Filesize

    344KB

  • memory/2260-37-0x0000000030670000-0x00000000306A7000-memory.dmp

    Filesize

    220KB

  • memory/2260-47-0x0000000030670000-0x00000000306C6000-memory.dmp

    Filesize

    344KB

  • memory/2260-48-0x0000000030670000-0x00000000306A7000-memory.dmp

    Filesize

    220KB

  • memory/2260-1-0x0000000030670000-0x00000000306A7000-memory.dmp

    Filesize

    220KB